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5 Installation
CJ2 CPU Unit Hardware User’s Manual
5-3 Wiring
5
5-3-6 Wiring with Ethernet Cable
The following standards and specifications apply to the connectors for the Ethernet twisted-pair cable.
• Electrical specifications:Conform to IEEE802.3 standards.
• Connector structure:RJ45 8-pin Modular Connector (Conforms to ISO 8877)
Precautions for Correct UsePrecautions for Correct Use
• Turn OFF the PLC's power supply before connecting or disconnecting twisted-pair cable.
• Allow enough space for the bending radius of the twisted-pair cable as shown in below.
1. Lay the twisted-pair cable.
2. Connect the cable to the switching hub. Be sure to press in the cable until it locks into place.
Ethernet Connectors
Connector pin Signal name Abbr. Signal direction
1 Transmission data + TD+ Output
2 Transmission data − TD− Output
3 Reception data + RD+ Input
4 Not used. --- ---
5 Not used. --- ---
6 Reception data − RD− Input
7 Not used. --- ---
8 Not used. --- ---
Hood Frame ground FG ---
Connecting the Cable
35 mm
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